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Updated weekly · Last refresh Sep 22

CA Firm in Kolkata Data Scientist Interview Questions

The questions to prepare for a CA Firm in Kolkata Data Scientist interview. Questions from real interview reports rank first. Updated daily.

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1
Statistics & ProbabilityStart here. 1 question · ~8 min
Mean, Median, Mode FormulasEasy

Evaluates your statistical fundamentals and practical understanding of central tendency measures.

CA Firm in Kolkata
2
Machine Learning1 question · ~8 min
Palindrome Python CodingEasy

Tests your ability to implement correct Python logic for a common string problem.

CodingpythonCA Firm in Kolkata

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3
SQL & Data Manipulation1 question + 3 drills · ~38 min
SQL Array to ListEasy

Assesses your SQL skills for transforming and reshaping data structures.

CA Firm in Kolkata
SQL Coding Question CountMedium
Practice
Practice drill

Count 0 and 1 sensor readings by Bosch building using a CTE, LEFT JOIN, and conditional aggregation.

CodingpythonBosch Building Technologies
LeetCode Hard SQLHard
Practice
Practice drill

Use PostgreSQL CTEs and lateral joins to find text positions containing every required keyword exactly once.

CodingKpitKaiser Permanente
LeetCode SQL PracticeEasy
Practice
Practice drill

Count unique normalized KPIT portal emails using PostgreSQL string functions and COUNT(DISTINCT).

Codingdata processingKaiser PermanenteKpit
4
Behavioral & Leadership2 questions · ~16 min
Why PwC for YouMedium

Evaluates your motivation and understanding of PwC’s differentiators.

interestCA Firm in Kolkata
Tell Me About Your WorkEasy

Assesses how you communicate your relevant experience and impact.

backgroundwork experienceCA Firm in Kolkata
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